highways and byways, 1929twittering machine. 1922view of ancient city, 1927books:-paul klee et la nature de l'art: une dévotion aux petites choses, hazan/les musées de strasbourg (exhibition catalogue)-klee by nello ponente, skira-klee drawings, dover publications-paul klee: painting music by hajo duchting, prestel-paul klee and the bauhaus by christian geelhaar, new york graphic society ltd.-